The 6N63B is a high quality battery from Numax. The cold cranking current of the battery is 48 A. The dimensions of the product are 99 x 57 x 110 mm. You should use the dimensions of your old battery as a guide for your selection.Reliable wet cell technology for your vehicleThe 6N63B has a capacity of 6 Ah. The higher the value, the more electrical charge can be stored in the battery.Wet batteries like the 6N63B are conventional flooded types suitable for classic motorcycles. They offer solid performance and may need occasional water top-ups.You should consider this when buyingBefore you buy, check that the circuit and polarity of your new battery are identical to the values of the old model. The circuit shows whether the positive pole is on the right or left of the battery. To determine this, position the battery so that the poles are facing you. With the 6N63B, the circuit is 0, so the positive pole is on the right.